[Rubygems-developers] what archive format does a gem package use?

Kevin Clark kevin.clark at gmail.com
Thu Feb 5 00:44:28 EST 2009

They're tarred (and contain a tar.gz and a .gz):

sisyphus:~/haml kev$ tar -xvf haml-2.0.7.gem
tar: data.tar.gz: implausibly old time stamp 1969-12-31 16:00:00
tar: metadata.gz: implausibly old time stamp 1969-12-31 16:00:00
sisyphus:~/haml kev$ ls
data.tar.gz    haml-2.0.7.gem metadata.gz

On Wed, Feb 4, 2009 at 8:46 PM, Stephen Bannasch
<stephen.bannasch at deanbrook.org> wrote:
> I thought gems were tarred and gzipped but I just built the haml gem tried
> to unpack it manually like this:
>  tar tzf pkg/haml-2.1.0.gem
> tar responds with: 'not in gzip format'
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Kevin Clark

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